S&S 4 1/8" Bore Piston Set for Racing Applications
Heads are .230" taller than stock - requires special pushrods and/or frame clearancing or motor mount modifications Exhaust pipe adaptor kits and other parts must be purchased separately. See "Additional Parts Required" chart. Not legal for sale or use on CA or EPA pollution controlled motorcycles.
This 4-1/8" bore piston is intended for use with S&S special application "Big Fin" cylinder heads in S&S 124" engines for 1999-'16 HD big twins. Pistons are clearanced for 4-5/8" stroke. Piston sets include rings. 4-1/8" bore.
NOTES:Heads are .230" taller than stock - requires special pushrods and/or frame clearancing or motor mount modifications Exhaust pipe adaptor kits and other parts must be purchased separately. See "Additional Parts Required" chart. Not legal for sale or use on CA or EPA pollution controlled motorcycles.
Instructions Link (Click Here)
Manufacturer: S&S Cycle
Part #: 92-1581
S&S Piston, Set, 4-1/8″ x 4-5/8″, +.010″, RD, .927″ WP, LSF, 1984-up bt 92-1581
- Brand: S&S Cycle
- Product Code: 92-1581
- Availability: Special Order
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$611.95
Tags: S&S Cycle, Harley Davidson, Pistons